Overview
Metallocene Polyolefin Elastomer (POE) is a class of thermoplastic elastomers synthesized using metallocene catalysts, which enable precise control over polymer microstructure. This results in superior mechanical properties compared to conventional polyolefins, including enhanced flexibility, toughness, and processability. POEs bridge the gap between rubber and plastic, offering the elasticity of rubber with the recyclability of thermoplastics. POEs are copolymerized from ethylene and alpha-olefins (e.g., octene), creating a unique molecular architecture with amorphous and crystalline regions. This structure grants POEs their exceptional balance of strength and elasticity, making them ideal for demanding applications in automotive, construction, and consumer goods.
Physical and Chemical Properties
POEs exhibit a low density (0.86–0.91 g/cm³) and a melting range of 60–100°C, depending on the comonomer content. Their molecular weight typically ranges from 50,000 to 500,000 g/mol, influencing viscosity and mechanical performance. The materials are hydrophobic and resistant to water, acids, and bases, though they may swell in non-polar solvents. Key mechanical properties include high elongation at break (500–1,000%), excellent impact resistance even at low temperatures (-40°C), and UV stability due to saturated hydrocarbon backbones. POEs also demonstrate low compression set and superior weatherability, outperforming traditional elastomers like EPDM in some applications.
Main Applications
In the automotive industry, POEs are used in bumper fascias, interior trim, and vibration-damping components due to their lightweight and energy-absorbing properties. They replace PVC and EVA in wire and cable insulation, offering better flexibility and halogen-free flame retardancy. POE-based films dominate flexible packaging, providing high puncture resistance and sealability for food and medical packaging. Footwear manufacturers utilize POEs in midsoles and outsoles for their cushioning and durability. Additionally, POEs serve as impact modifiers for polypropylene (PP) and as adhesives in hot-melt formulations.
Safety and Storage
POEs are generally regarded as non-hazardous under normal handling conditions. However, dust generated during processing may cause mild respiratory irritation, necessitating proper ventilation or dust masks. The material is stable at room temperature but should be stored away from strong oxidizers and heat sources above 60°C. Pellets are typically packaged in 25-kg polyethylene bags or bulk sacks. Long-term storage (over 12 months) may require nitrogen purging to prevent oxidation. Manufacturers often add antioxidants to extend shelf life, but technical datasheets should be consulted for specific storage recommendations.
B2B Procurement Guide
When sourcing POE, specify the required comonomer type (e.g., octene, butene) and melt index (MI), which affects flow properties during injection molding or extrusion. Automotive-grade POEs may require additional certifications like IATF 16949 compliance. Major global suppliers include Dow (Engage series), ExxonMobil (Exact), and Mitsui (Tafmer). Prices fluctuate with ethylene feedstock costs but typically range from $1.50 to $3.50 per kg for bulk orders. Request samples for compatibility testing, especially when blending with other polymers like PP or PE. MOQs for specialty grades may start at 1 metric ton.
Related Manufacturers
- 主营:GF增强POM、工程料PPA、陶氏热熔胶、茂金属、透明尼龙、增韧剂POM、耐磨 PTFE细粉、电绝缘TPV、PVDC阻隔乳液、杜邦超韧尼龙、杜邦PTFE乳液、无卤阻燃尼龙、注塑级POM、分散液PTFE、陶氏沙林树脂、抗UVPOM、EEA热熔胶、铁氟龙乳液、耐寒尼龙ST801、耐刮花PC、热塑性弹性体TPV、陶氏增韧剂、金属粘合剂、马来酸酐接枝、尼龙pa66、导电PC塑料
- 主营:塑胶原料、橡胶原料、沙林树脂、四碳茂金属POE、PTFE、PPA、铁氟龙、PC、PEEK、COC、EVA
- 主营:ABS、PC/ABS、PC、茂金属、TPU、TPV
- 主营:茂金属、通用塑料、工程塑料
- 主营:POM、POE、PC、茂金属、MABS、EVA、PMMA、TPEE、高温尼龙
- 主营:茂金属、工程塑料、特种塑料、通用塑料
- 主营:POM 100P、PC、PA66/6、茂金属、PPO、POE、EVA、PP、PBT、ABS、AS(SAN)、PA12、PC/ABS、HDPE、LDPE、POM 500P、PCTG、ABS 757K、PA66、PMMA、HIPS、GPPS、PEEK、PEI
- 主营:TPEE原材料、TPU塑胶原料、Surlyn沙林树脂、茂金属、高温塑胶原料
- 主营:丁腈橡胶、PP、通用塑料、茂金属、液体橡胶、粉末橡胶、降解塑料
- 主营:PC、PA66、PC/PBT、茂金属、PP、POM、PBT、奇美PA-757、燕山K8303、云天化M90、杜邦500P
- 主营:工程塑料、PA66、PEEK、茂金属、POM、PC、PVDF、ABS、EVA、TPEE、PCTG、PMMA、LCP
- 主营:聚酮pok、ABS、ASA、茂金属、CA、COC、EAA、EMA、ETFE、EVA、EVOH、FEP、K(Q)胶、LCP、PA6、PA66、PARA、PEEK、PEI、PES、TPU、TPV、聚氨酯、TPE、TPEE
- 主营:TPU、PC、LCP、茂金属、PA6、ABS、PEEK、TPEE、PTFE、EVA、POM、PET、PMMA、PA66、PA12、PBT、COC、PPS、TPE、美国杜邦、德国科思创、沙伯基础、德国巴斯夫、日本宝理、美国苏威、工程料特种塑胶原料
- 主营:茂金属、POM
- 主营:改性助剂、相溶剂、增韧剂、茂金属、接枝料、丁晴橡胶粉、各类粉末、流变剂、油性水性液体橡胶、液体丁腈、液体丁苯、液体三元乙丙、液体丁基、SBS英全化学、液体顺丁/聚丁二烯、溶剂TPU、聚丁二烯橡胶RB系列
